Lloyd Eaton Lifetime Achievement Award in Science Fiction (UCR Libraries, Eaton SF Conference 2011), Silver Pen for Journalism (International PEN, 1990), „Defender of Liberty” Award (Comic Book Legal Defense Fund, 1998), Words, Wit, Wisdom Award (The National Women’s Committee of Brandeis University, 1998), Distinguished Skeptic Award (Committee for the Scientific Investigation of Claims of the Paranormal’s, 2002), Golden Scroll (Academy of Science Fiction, Fantasy and Horror Films, kategoria Best Writing – Career 1976), American Mystery Award (1988), Asimov’s Science Fiction Magazine Reader’s Poll Special award (1988), Audio Publishers Association Award (za The Titanic Disaster Hearings: The Official Transcript of the 1912 Senatorial Investigation w kategorii Best „Multi-Voiced Presentation”, 1999, oraz za City of Darkness w kategorii Best Solo Narration, 1999), The Bradbury Award (Science Fiction and Fantasy Writers of America, za audycje radiowe 2000X, razem z Yuri Rasovsky), British Science Fiction Award (za Deathbird Stories w kategorii best collection 1978), Edgar Allan Poe Award (za The Whimper of Whipped Dogs, 1974), International Horror Guild Award (Living Legend, 1994), Jupiter Award (Instructors of Science Fiction in Higher Education, 1973, 1977), Writers Guild of America (1974, 1987), Writers Guild of Canada